201997576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{22727}}^1$

素因数の和:22845

約数の個数: 32

約数和(自身を含む): 417286080

約数和(自身を除く): 215288504

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2222, 4444, 8888, 22727, 45454, 90908, 181816, 249997, 499994, 999988, 1999976, 2295427, 4590854, 9181708, 18363416, 25249697, 50499394, 100998788, 201997576]

約数ペア:

[(1, 201997576), (2, 100998788), (4, 50499394), (8, 25249697), (11, 18363416), (22, 9181708), (44, 4590854), (88, 2295427), (101, 1999976), (202, 999988), (404, 499994), (808, 249997), (1111, 181816), (2222, 90908), (4444, 45454), (8888, 22727)]